Calculate the unknown concentration of the PROTEIN D with an absorbance value of A554 given the standard curve indicated in the table below. Write your final answer (NUMBER ONLY) in two decimal places rounded off. Protein concentration Absorbance (µg/ml) 0 0.000 0.161 0.02 0.04 0.06 0.284 0.438 0.572 0.08 0.10 0.762 SAPIENTI Activ
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- Using the equation for the best-fit straight line through your data, the average absorbance of your unknown samples U1 and U2, and any dilution factors (DON’T LEAVE OUT THE DILUTION FACTOR), calculate the concentration of protein in the original unknown protein sample. y = 1.6849x + 0.0414R² = 0.9904In the experiment performed for the determination of cholesterol, the function of the calibration curve obtained using 25-400mg/dL standard cholesterol solutions was determined as y= 0.0009x. If the absorbance of the serum sample is determined as 0.28, what is the amount of cholesterol in the sample, in mg/L?If a protein lysate obtained is 1003 ug/ml What would be the total concentration of each lysate that is loaded into their well if you load just 25 ul of each?
- The protein concentration of a known standard is 100mg/mL If you prepared a serial dilution, mixing 10μL of protein with 40μL of water what would be concentrations of the first 3 dilutions?Total protein: Do you think that refractive index could be used as a regular method for serum protein determinations? If yes, what limitations does it have. If not, why not? What are the major interferences in the biuret method? Refractometry method?In the experiment performed for the determination of cholesterol, the function of the calibration curve obtained using 25-400mg/dL standard cholesterol solutions was determined as y= 0.0009x. If the amount of cholesterol in the serum sample is determined as 3.11 g/L, what is the absorbance value of the sample? A. 0,280 B. 0.028 C. 0.208 D. 0.82
- KCI for injection contains 40 mEq in 20 mL. An order requires 15 mEq, how many mL are needed?1.0 ml of serum albumin (BSA) solution was precisely diluted to 100 ml with a buffer solution, and the absorbance at 280 nm was measured from this buffer solution at a distance of 1 cm from the light. The result was A=1.0. BSA is 0.1%(=0.1g/l). The absorptivity is e(0.1%)=0.667, so 1g/l solution gives an absorbance of 0.667. What was the original protein content? Report in the result unit mg/ml with an accuracy of 0.1 mg.You obtained the following raw data when setting up a Biuret standard curve: BSA (mg/ml) Absorbancy 540nm 0 0.158 1 0.210 2 0.260 3 0.305 4 0.360 5 0.410 6 0.455 7 0.510 8 0.530 9 0.550 10 0.554 After blanking against a biuret-dH2O sample, the protein concentration of an unknown sample was determined using the same method and an absorbancy of 0.262 was obtained. Set up a standard curve, excluding outliers (experimental and statistical) and determine the protein concentration in the unknown sample in mg / ml (up to 3 significant figures).
- a) What are the methods used for cholesterol determination? Explain the basis of the method you used in your experiment by writing.b) In the experiment conducted for the determination of cholesterol, the function of the calibration curve obtained using standard cholesterol solutions of 25-400mg/dl was determined as y= 0.0009x.Since the absorbance of the serum sample was determined as 0.28, how many mg/L is the amount of cholesterol in the sampleAfter three minutes, the concentration of drug Zip in the red blood cells is 10 mmoles l-1. What is the average rate of entry of drug Zip into the red blood cells in units of moles min-1 red blood cell-1 during the first three minutes after placing the red blood cells into the bathing solution? Assume that each red blood cell occupies about 1 x 10-13 liters.The following protein quantification utilizes Cu ions except fora. Lowryb. Biuretc.Bradford